Collar for a dog



FIG. 1 is a front perspective view of a collar for a dog, shown in a closed position;

FIG. 2 is a front view of the present invention shown in a closed position.

FIG. 3 is a bottom view of the present invention shown in a closed position.

FIG. 4 is a left side bottom view of the present invention shown in a closed position; and,

FIG. 5 is a rear view of the present invention shown in a closed position.

The broken lines showing a snapping or fastening buckle and a length adjustment slip buckle in all the figures are for illustrative purposes only and forms no part of the claimed design. 

CLAIM I claim the ornamental design for a collar for a dog, as shown and described. 